package com.xiao.provider.dao;

import com.xiao.provider.entity.User;

/**
 * @Description 用户dao
 * @Auther: 笑笑是一个码农
 * @Date: 15:18 2020/12/22
 */
public interface UserDao {

     int insert(User user);

     User selectById(Long id);

     int update(User user);

     int delete(Long id);
}
